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@ARTICLE{Liu:584599,
author = {Liu, Hongbing and Lv, Shanhui and Xuan, Yang and Oliveira,
João Pedro and Schell, Norbert and Shen, Jiajia and Deng,
Jingyu and Wang, Yuhua and Yang, Jin},
title = {{E}ffects of heat input on weld microstructure and
properties in keyhole {TIG} welding of {I}nvar 36 alloy},
journal = {Materials},
volume = {16},
number = {10},
issn = {1996-1944},
address = {Basel},
publisher = {MDPI},
reportid = {PUBDB-2023-03150},
pages = {3692},
year = {2023},
abstract = {The Invar alloy is widely used for aircraft wing mould
manufacturing. In this work,keyhole-tungsten inert gas
(K-TIG) butt welding was used to join 10 mm thick Invar 36
alloy plates.The effect of heat input on the microstructure,
morphology and mechanical properties was studiedby using
scanning electron microscopy, high energy synchrotron X-ray
diffraction, microhardnessmapping, tensile and impact
testing. It was shown that regardless of the selected heat
input, thematerial was solely composed of austenite,
although the grain size changed significantly. Thechange in
heat input also led to texture changes in the fusion zone,
as qualitatively determinedwith synchrotron radiation. With
increases in heat input, the impact properties of the welded
jointsdecreased. The coefficient of thermal expansion of the
joints was measured, which demonstrated thatthe current
process is suitable for aerospace applications.},
cin = {DOOR ; HAS-User / Hereon},
ddc = {600},
cid = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20210899
EC (I-20210899-EC) / CALIPSOplus - Convenient Access to
Light Sources Open to Innovation, Science and to the World
(730872)},
pid = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20210899-EC /
G:(EU-Grant)730872},
experiment = {EXP:(DE-H253)P-P07-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {37241319},
UT = {WOS:000998086400001},
doi = {10.3390/ma16103692},
url = {https://bib-pubdb1.desy.de/record/584599},
}